shopping_list2

shoppingList = []

def show_help():
  # print out instructions on how to use the app
  print ("What should we pick up at the store?")
  print ("Enter 'DONE' to stop adding itmes.")
  print ("Enter 'SHOW' to see the current list.")
  print ("Enter 'HELP' to get help.")

show_help()  

def show_list():
  # print out the list
  print("Here's your list: ")

  for item in shoppingList:
    print(item)

show_list()    

def add_to_list(newItem):
  # add new items to our list
  shoppingList.append(newItem)
  print("Added {}. List now has {}.".format(newItem, len(shoppingList))

while True:
  # ask for new items
  newItem = input("> ")

  # be able to quit the app
  if newItem == 'DONE':
    break
  elif newItem == 'HELP':
    show_help()
    continue
  elif newItem == 'SHOW':
    show_list()
    continue
  add_to_list(newItem)